<template>
  <div id=''>
    <h1>{{ props.msg }}</h1>
  </div>
</template>

<script lang='ts'>
export default {
  name: 'vue',
}
</script>

<script lang='ts' setup>
import { ref, h, type Ref, isRef, reactive, isReactive, readonly, isReadonly, toRef, toRefs, unref, isProxy } from 'vue';
const props = defineProps({
  msg: {
    type: String,
    default: '我是默认值',
    required: true
  }
})
</script>

<style lang='scss'></style>
